#1: North
#2: East - part of the dune strips we had mostly avoided
#3: South
#4: West - A village with petrol
#5: The group
#6: Cairn in front of a hill with long stone walls
#7: Strips of broken up sand dunes
#8: The tanker and its crew
#9: Water pump being lowered
#10: Practical physics (it's easier to pump water up than to suction it up)